The Ronstan Series 30 Ball Bearing Single Block is a lightweight, high-performance hardware solution designed for versatile rigging applications. Constructed with fiber-reinforced polymer, this block features a 2-stage bearing system with Acetal ball bearings to ensure minimum friction across its full working load range.
- High strength-to-weight ratio with a reinforced composite load frame
- Ultra-low profile design with a through-sheave becket
- Two-way head allows for 0° or 90° orientation
- Self-lubricating Nylatron® sheave for high dynamic loads
- Suitable for mainsheet and spinnaker systems on dinghies up to 5M (16')
- Compatible with control line applications on larger yachts
- Manufacturer part number: RF35109HL
This block is designed for secure, simple lashing and is highly compatible with Dyneema® or Spectra® lines, carbon laminate connection points, and webbing.
Product facts
- CT SKU
- CT-108595
- Model / MPN
- RF35109HL
- UPC / GTIN
- 9316800593286
- Package dimensions
- 1" X 2" X 4"
- Package weight
- 0.1 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
